Question

encierre en un circulo la palabra correcta

I was singing when/ while the microphone broke
They heard a big noise when/ while they were watching a horror film
when/ while I was cleaning my bedroom, I was sleeping.
I was revvising for the exam when/ while the teacher arrived.
My dad found some good books when/ while he was cleaning his office

Answer 1

Creo que es;
- when
- while
- when
- when
- while

Answer 2

1) when
2) while
3) while (igualmente se me hace difícil entender la oración porque habla de que estaba limpiando y durmiendo ¿al mismo tiempo?)
4) when
5) while